Recently, I encountered a problem where two processes need to exchange some data in real time. If the data volume is not large, 72 bytes are required. At that time, it was estimated that domain sockets were used for simplicity.
During subsequent performance tests, we suddenly found that when the concurrency of network packets was large, the performance suddenly fell sharply. We found that there were a lot of read and write operations with strace track
When I think of a problem: www.g.cn can set the cookie to .g.cn, can www.com.cn set the cookie to .com.cn?
Domain name and cookieBy accident, I think that www.g.cn can set the cookie to .g.cn. can www.com.cn set the cookie to .com.cn?
Test results: No. Because the browser knows that the suffix of www.com.cn is .com.cn rather than. cn, it is prohibited to set cookies.
Because the browser has a built-in domain
How does PHP calculate the age and domain name age? YYYY-mm-dd is known. Ask for the domain name age. How to calculate domain names has been plagued for a long time. I wrote a function myself, but it is wrong, because some years are in a leap year. Lt ;? Php nbsp; // Time input must be in the unit function nbsp PHP. how do I calculate the age and
Learn for a long time, or be good at this, or be tired of it. Excellent people do not match, the road is the same; tired people do not pull, cool the same.
In software engineering, the problem domain is defined as what to do. However, it cannot be equivalent to user requirements. User requirements often focus on one aspect and represent a part of the problem domain. Based on this, when users propose their
When I think of a problem: www.g.cn can set the cookie to .g.cn, can www.com.cn set the cookie to .com.cn?
Domain name and cookieBy accident, I think that www.g.cn can set the cookie to .g.cn. can www.com.cn set the cookie to .com.cn?
Test results: No. Because the browser knows that the suffix of www.com.cn is .com.cn rather than. cn, it is prohibited to set cookies.
Because the browser has a built-in domain
When I think of a problem: www.g.cn can set the cookie to .g.cn, can www.com.cn set the cookie to .com.cn?
Domain name and cookieBy accident, I think that www.g.cn can set the cookie to .g.cn. can www.com.cn set the cookie to .com.cn?
Test results: No. Because the browser knows that the suffix of www.com.cn is .com.cn rather than. cn, it is prohibited to set cookies.
Because the browser has a built-in domain
PHP generates a short domain name function, PHP generates a domain name function
PHP generates a short domain name function
Public Function Createrandcode ($string) { $code = '; $hex _code = ' 1qaz2wsx3edc4rfv5t-gb6yhn7ujm8ik9ol0p_ '; $now = Microtime (True) * 10000; $strlen = strlen ($hex _code); $hash _code = hash (' sha256 ', $string); Thi
Domain Name and cookieBy accident, I think that www.g.cn can set the cookie to .g.cn. Can www.com.cn set the cookie to .com.cn?Test results: No. Because the browser knows that the suffix of www.com.cn is .com.cn rather than. cn, it is prohibited to set cookies.Because the browser has a built-in domain name suffix list. Todo: if a new suffix appears in the future, but the old browser cannot update the list,
Configure the host file for the Windows system.Hosts in the C:\WINDOWS\SYSTEM32\DRIVERS\ETC directoryThe Hosts file has no extension. Hosts is a Windows file that configures the local access domain name IP, port.The hosts are opened with Notepad or text editing software.The Hosts file defaults to two lines:127.0. 0.1 localhost::1 localhostWith the # switch, it is a comment, description.# for example:## 102.54.94.97 rhino.ac
Environment: The same server, the same WebLogic application, built two domains, two domain IPs, the port is different. A domain put Web application A, a put Web application B.Action: When a user accesses a program, a program returns a link that allows the user to access B.Problem: The session with a is lost when the user successfully accesses the link given by aWorkaround:Build a weblogic.xml under the webi
1.jsonp easily handle cross-domain requestsUsing Axios in Vue, I was forced into cross-domain. The first real sense attempt to use JSONPJS withvar myscript = document.createelement (' script '); myscript.src = ' interface address? callback=handlefun'; Callback must have, otherwise error. The script tag is then embedded in the page, Document.body.appendChild (myscript);The page then prepares a function code
Idea: Modify the browser startup parameters from the command line so that the browser does not cross-domain checks, allowing cross-domainMethod: Command line arguments to start the browser after adding parameters--disable-web-securityCases:Chrome--disable-web-securityThe role of the--disabl-web-security parameter is to disallow cross-domain checking by the browserHowever, there are three drawbacks to this a
1. Prerequisites:Requires a single sign-on with ASP. NET-brought form validation (FormsAuthentication)The configuration file is written as follows (Basic):enableCrossAppRedirects: Whether to use across applicationsName: Specifies the cookie name that is written to the browser after validation is passed, while verifying that the cookie name is read, gets the value, and then decrypts the assigned value to User.Identity.Name Domain: Specifies the scop
Nginx Configure cross-Domain HTTP request method options
See the headline is a bit of a drag, why the Cross-domain and HTTP request method options are related, because when you get resources across the domain, browsing for security considerations will first use the options to make the request to see whether the normal return, because the use of options to return
Main and IFRAME Mutual communication class
has written a "iframe and the main frame Cross-domain Mutual access Method", introduced the main and the IFRAME mutual communication principle, do not understand the principle can be seen first.
Today, the method of communication between main and IFrame is encapsulated into class, there are two files,
JS:FrameMessage.js the interface that implements the calling method, such as Cross-
Domain Registration | International Domain name | registration fee
Later this Thursday, VeriSign announced that it would increase the registration fees for. com and. NET domain names from October 1 onwards.According to foreign media reports, VeriSign said, the registration fee for the. com domain name will increase fro
I. Planning INSTRUCTIONS:
Host A: Dual NIC
192.168.1.7--> mydomain.org Primary Domain name server
192.168.10.7--> myzone.org The primary domain name server, which has two subdomains, for market.myzone.org and develog.myzone.org
Host B: Dual NIC
192.168.1.6--> mydomain.org Auxiliary domain name server
192.168.10.6--> market.myzone.org Sub-
1. Bind the domain name to our host IP address from the domain name server provider1.1 Third-party domain name resolution, such as dnspodI. DNSPod registered usersOpen DNSPod website (http://www.dnspod.cn), according to the requirements to fill in the information, it is best to fill in the real information, if there is a problem canTo facilitate contact. As this
Recently, in digital image processing, I did not have an intuitive concept in the time domain and frequency domain. I will search for it and summarize it as follows:1. The simplest explanation
The frequency domain is the frequency domain,
We usually use the time domain,
If we want to use a cookie under Www.jb51.net, just set a cookie in the file below this station.
But what if we want to implement cookies that are set in a first-level domain, and use it under a level two domain?
For example: We in the first level domain name is a website such as: Www.jb51.net, he below has a level two doma
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